* {
  padding: 0;
  margin: 0;
}
a,
a:hover {
  text-decoration: none;
  color: #333;
}
ul,
li {
  list-style: none;
}
input {
  outline: none;
}
.clearfix::after {
  content: " ";
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}
.clearfix {
  zoom: 1;
}
